(19)

(11)

EP 1 483 302 A1

(12)

(43) Date of publication: 08.12.2004 Bulletin 2004/50 (21) Application number: 03743828.0 (22) Date of filing: 28.02.2003

(51) International Patent Classification (IPC)7: C08F 10/00, C08F 2/00, C08F 2/40, C08F 4/651 (86) International application number: PCT/EP2003/002147 (87) International publication number: WO 2003/076479 (18.09.2003 Gazette 2003/38)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR (30) Priority: 08.03.2002 EP 02075949 (71) Applicant: Basell Poliolefine Italia S.p.A. 20125 Milano (IT)	(72) Inventors: MORINI, Giampiero I-35100 Padova (IT) BALBONTIN, Giulio I-44100 Ferrara (IT) DALL'OCCO, Tiziano I-44100 Ferrara (IT) (74) Representative: Sacco, Marco  Basell Poliolefine Italia S.p.A.Intellectual PropertyP.le G. Donegani, 12 44100 Ferrara 44100 Ferrara (IT)